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The clause I mentioned earlier, 4.4.4.3 (iii) should indeed be 5.4.1.1(iii) (I apologise for the confusion)

Thanks to AlecK and Pluto for the in-depth analysis on this subject it certainly has cleared the methodology behind it.

AlecK, 4.4.4.3 (iii) is a valid clause on AS/NZS 3000:2007 You give a valid reason for not providing an earth connection at the sockets but it makes me wonder then what is the purpose of of having the secondary of the transformer earthed at the point of supply on PELV ?? I did have a look at the thr...

AS/NZS 3000:2007: Clause 1.4.76 describes protected extra-low voltage (PELV) as an extra-low voltage system that is NOT electrically separated from earth, but otherwise satisfies the requirement for SELV AS/NZS 3000:2007: Clause 4.4.1.2 Plugs and Socket outlets for SELV and PELV systems shall NOT be...

Thanks Alec that has clarified it for me.

Thanks Alec for the information which give a more comprehensive understanding to this subject. One more point to raise if the afore mentioned caravan has Modular (Square) type NZ Socket Outlets fitted, 10 Amp, 240 Volt Marking, look to be AS/NZS 3112 type but they do not have a integral switch on th...

If a "New Build" European Caravan is Imported into New Zealand, which has been specifically pre wired for the New Zealand market, with correct RCD Type/Power Points/ Etc, does it need to have a COC issued in New Zealand on arrival, (To confirm compliance with Part 1 of AS/NZS 3000:2007) or does it j...